GREATER ABSORPTION CAPACITY Silica gel packets use highly active adsorption material, silica packets can absorb 40% of its Weight in water vapor, top-grade white silica gel bead. Keep everything dry and safe. In very humid conditions suggest use more packs to be more effective. FOOD GRADE & RECYCLING - Moisture absorbers contain the absorbent desiccant beads called silica gel, which tested under strict regulation for food specifications. Cobalt chloride free, non-toxic, no harm, no pollution, safe to be used with foods. Reusable for our desiccant, 2 mins for fast reactivate in microwave, avoid baking too long. WIDELY APPLICATIONS Our moisture absorbers are widely used in your daily life, such as Foods, Vitamins, Seeds, Nuts, Snacks, Cookies, Spices, Pet Foods, 3D Filaments, Safes, Ammos, Canister, Jewelry, Documents, Camera Lens, Clothes, Cosmetics, Books, Bags, Decorations, Cameras, Watches, Electronics, Shoes, and many other valuables.